A filling helps protect a tooth from future cavities if one was previously detected. This is why it is surprising to learn that there can be times when larger fillings could still be susceptible to cavities. What are some reasons behind this observation?
– It is more difficult for the surface of a tooth to support a larger filling.
– The dentist may have been better off applying a crown.
– Larger fillings could allow food and bacteria to enter.
“Typically, fillings like these will instead require a dental crown.”
Take a look at other reasons why a cavity may form: